Year current US$ 1960 1403639.4385442245 1961 1692599.3229602708 1962 1733899.3064402775 1963 2064159.1743363303 1964 2724678.910128436 1965 3219998.7120005153 1966 3499998.6000005603 1967 3919998.4320006273 1968 3359998.656000538 1969 11199995.520001793 1970 10219995.912001636 1971 13142864.333482007 1972 14959836.092230642 1973 23056117.14813123 1974 33555219.67630987 1975 70587471.6703538 1976 56350014.08750352 1977 56810014.20250355 1978 39330009.832502455 1979 55713946.305535756 1980 76157178.55152702 1981 86032140.69616525 1982 103792907.82231982 1983 105466295.66466205 1984 88593531.92654666 1985 64612381.796358824 1986 64769333.64609335 1987 81776670.61388494 1988 98659844.78338821 1989 102566957.34930378 1990 163373659.47248137 1991 163002084.15193483 1992 181520883.1373198 1993 175993116.95966205 1994 208460210.91596875 1995 273470321.2083533 1996 252340552.0231086 1997 280167284.3656263 1998 257747250.32216144 1999 263786598.01711568 2000 70981831.2499964 2001 71410414.56133626 2002 72000988.16526002 2003 107820695.70318857 2004 115458836.46046194 2005 124358407.05181429 2006 122783472.43739948 2007 128592060.17005506 2008 138291073.85189822 2009 153417171.81944925 2010 197447871.4072596 2011 228128603.08833387 2012 289383589.6335297 2013 281197312.5790259 2014 275390807.5589976 2015 251602410.11116952 2016 220296852.17372504 2017 272844869.23642474 2018 310882893.63373387 2019 303465820.04484016 2020 325521789.0966601 2021 333195593.58159995 2022 312354608.4614231 2023 297912127.54224795